74FCT139 Fast CMOS Dual 1-of-4 Decoder

The INTEGRATED DEVICE TECHNOLOGY (IDT) IDT54/74FCT139/A/C are dual 1-of-4 decoders built using an advanced dual metal CMOS technology. These devices have two independent decoders, each of which accept two binary weighted inputs (A0-A1) and provide four mutually exclusive active LOW outputs (O0-O3). Each decoder has an active LOW enable (E). When E is HIGH, all outputs are forced HIGH.

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74FCT139AP	74FCT139P	74FCT139S	74FCT139SO